GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25613927c26ce70be989329ca32a4159a02ee43211d7c8a5d093235eb0055a3d47f
MD54bb1d7522cb50239542952e84f8e46db
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name13927c26ce70be989329ca32a4159a02ee43211d7c8a5d093235eb0055a3d47f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 13927c26ce70be989329ca32a4159a02ee43211d7c8a5d093235eb0055a3d47f
  • MD5: 4bb1d7522cb50239542952e84f8e46db

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: 13927c26ce70be98"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "13927c26ce70be989329ca32a4159a02ee43211d7c8a5d093235eb0055a3d47f"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — GandCrab
# SHA256 13927c26ce70be989329ca32a4159a02ee43211d7c8a5d093235eb0055a3d47f # MD5 4bb1d7522cb50239542952e84f8e46db
TypeValueNote
sha256 13927c26ce70be989329ca32a4159a02ee43211d7c8a5d093235eb0055a3d47f Sample:GandCrab
md5 4bb1d7522cb50239542952e84f8e46db Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi